本文整理了Java中org.eclipse.persistence.exceptions.QueryException.cannotQueryAcrossAVariableOneToOneMapping方法的一些代码示例，展示了QueryException.cannotQueryAcrossAVariableOneToOneMapping的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。QueryException.cannotQueryAcrossAVariableOneToOneMapping方法的具体详情如下：
包路径：org.eclipse.persistence.exceptions.QueryException
类名称：QueryException
方法名：cannotQueryAcrossAVariableOneToOneMapping

QueryException.cannotQueryAcrossAVariableOneToOneMapping介绍

暂无

代码示例

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

/**
 * INTERNAL:
 * Return if the expression is for a direct mapped attribute.
 */
@Override
public boolean isAttribute() {
  if (isAttributeExpression == null) {
    if (getSession() == null) {
      // We can't tell, so say no.
      return false;
    }
    QueryKey queryKey = getQueryKeyOrNull();
    if (queryKey != null) {
      isAttributeExpression = Boolean.valueOf(queryKey.isDirectQueryKey());
    } else {
      DatabaseMapping mapping = getMapping();
      if (mapping != null) {
        if (mapping.isVariableOneToOneMapping()) {
          throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(mapping, mapping.getDescriptor());
        } else {
          isAttributeExpression = Boolean.valueOf(mapping.isDirectToFieldMapping());
        }
      } else {
        isAttributeExpression = Boolean.FALSE;
      }
    }
  }
  return isAttributeExpression.booleanValue();
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

/**
 * INTERNAL:
 * Return if the expression is for a direct mapped attribute.
 */
public boolean isAttribute() {
  if (isAttributeExpression == null) {
    if (getSession() == null) {
      // We can't tell, so say no.
      return false;
    }
    QueryKey queryKey = getQueryKeyOrNull();
    if (queryKey != null) {
      isAttributeExpression = Boolean.valueOf(queryKey.isDirectQueryKey());
    } else {
      DatabaseMapping mapping = getMapping();
      if (mapping != null) {
        if (mapping.isVariableOneToOneMapping()) {
          throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(mapping, mapping.getDescriptor());
        } else {
          isAttributeExpression = Boolean.valueOf(mapping.isDirectToFieldMapping());
        }
      } else {
        isAttributeExpression = Boolean.FALSE;
      }
    }
  }
  return isAttributeExpression.booleanValue();
}

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

/**
 * INTERNAL:
 * Return if the expression is for a direct mapped attribute.
 */
@Override
public boolean isAttribute() {
  if (isAttributeExpression == null) {
    if (getSession() == null) {
      // We can't tell, so say no.
      return false;
    }
    QueryKey queryKey = getQueryKeyOrNull();
    if (queryKey != null) {
      isAttributeExpression = Boolean.valueOf(queryKey.isDirectQueryKey());
    } else {
      DatabaseMapping mapping = getMapping();
      if (mapping != null) {
        if (mapping.isVariableOneToOneMapping()) {
          throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(mapping, mapping.getDescriptor());
        } else {
          isAttributeExpression = Boolean.valueOf(mapping.isDirectToFieldMapping());
        }
      } else {
        isAttributeExpression = Boolean.FALSE;
      }
    }
  }
  return isAttributeExpression.booleanValue();
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

public ClassDescriptor getDescriptor() {
  if (isAttribute()) {
    return null;
  }
  if (descriptor == null) {
    // Look first for query keys, then mappings. Ultimately we should have query keys
    // for everything and can dispense with the mapping part.
    ForeignReferenceQueryKey queryKey = (ForeignReferenceQueryKey)getQueryKeyOrNull();
    if (queryKey != null) {
      descriptor = getSession().getDescriptor(queryKey.getReferenceClass());
      return descriptor;
    }
    if (getMapping() == null) {
      throw QueryException.invalidQueryKeyInExpression(this);
    }
    // We assume this is either a foreign reference or an aggregate mapping
    descriptor = getMapping().getReferenceDescriptor();
    if (getMapping().isVariableOneToOneMapping()) {
      throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(getMapping(), descriptor);
    }
  }
  return descriptor;
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

public ClassDescriptor getDescriptor() {
  if (isAttribute()) {
    return null;
  }
  if (descriptor == null) {
    // Look first for query keys, then mappings. Ultimately we should have query keys
    // for everything and can dispense with the mapping part.
    ForeignReferenceQueryKey queryKey = (ForeignReferenceQueryKey)getQueryKeyOrNull();
    if (queryKey != null) {
      descriptor = getSession().getDescriptor(queryKey.getReferenceClass());
      return descriptor;
    }
    if (getMapping() == null) {
      throw QueryException.invalidQueryKeyInExpression(this);
    }
    // We assume this is either a foreign reference or an aggregate mapping
    descriptor = getMapping().getContainerPolicy().getDescriptorForMapKey();
    if (getMapping().isVariableOneToOneMapping()) {
      throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(getMapping(), descriptor);
    }
  }
  return descriptor;
}

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

@Override
public ClassDescriptor getDescriptor() {
  if (isAttribute()) {
    return null;
  }
  if (descriptor == null) {
    // Look first for query keys, then mappings. Ultimately we should have query keys
    // for everything and can dispense with the mapping part.
    ForeignReferenceQueryKey queryKey = (ForeignReferenceQueryKey)getQueryKeyOrNull();
    if (queryKey != null) {
      descriptor = getSession().getDescriptor(queryKey.getReferenceClass());
      return descriptor;
    }
    if (getMapping() == null) {
      throw QueryException.invalidQueryKeyInExpression(this);
    }
    // We assume this is either a foreign reference or an aggregate mapping
    descriptor = getMapping().getContainerPolicy().getDescriptorForMapKey();
    if (getMapping().isVariableOneToOneMapping()) {
      throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(getMapping(), descriptor);
    }
  }
  return descriptor;
}

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

@Override
public ClassDescriptor getDescriptor() {
  if (isAttribute()) {
    return null;
  }
  if (descriptor == null) {
    // Look first for query keys, then mappings. Ultimately we should have query keys
    // for everything and can dispense with the mapping part.
    ForeignReferenceQueryKey queryKey = (ForeignReferenceQueryKey)getQueryKeyOrNull();
    if (queryKey != null) {
      descriptor = getSession().getDescriptor(queryKey.getReferenceClass());
      return descriptor;
    }
    if (getMapping() == null) {
      throw QueryException.invalidQueryKeyInExpression(this);
    }
    // We assume this is either a foreign reference or an aggregate mapping
    descriptor = getMapping().getContainerPolicy().getDescriptorForMapKey();
    if (getMapping().isVariableOneToOneMapping()) {
      throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(getMapping(), descriptor);
    }
  }
  return descriptor;
}

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

@Override
public ClassDescriptor getDescriptor() {
  if (isAttribute()) {
    return null;
  }
  if (descriptor == null) {
    // Look first for query keys, then mappings. Ultimately we should have query keys
    // for everything and can dispense with the mapping part.
    ForeignReferenceQueryKey queryKey = (ForeignReferenceQueryKey)getQueryKeyOrNull();
    if (queryKey != null) {
      descriptor = convertToCastDescriptor(getSession().getDescriptor(queryKey.getReferenceClass()), getSession());
      return descriptor;
    }
    if (getMapping() == null) {
      throw QueryException.invalidQueryKeyInExpression(this);
    }
    // We assume this is either a foreign reference or an aggregate mapping
    descriptor = getMapping().getReferenceDescriptor();
    if (getMapping().isVariableOneToOneMapping()) {
      throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(getMapping(), descriptor);
    }
    descriptor = convertToCastDescriptor(descriptor, getSession());
  }
  return descriptor;
}

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

@Override
public ClassDescriptor getDescriptor() {
  if (isAttribute()) {
    return null;
  }
  if (descriptor == null) {
    // Look first for query keys, then mappings. Ultimately we should have query keys
    // for everything and can dispense with the mapping part.
    ForeignReferenceQueryKey queryKey = (ForeignReferenceQueryKey)getQueryKeyOrNull();
    if (queryKey != null) {
      descriptor = convertToCastDescriptor(getSession().getDescriptor(queryKey.getReferenceClass()), getSession());
      return descriptor;
    }
    if (getMapping() == null) {
      throw QueryException.invalidQueryKeyInExpression(this);
    }
    // We assume this is either a foreign reference or an aggregate mapping
    descriptor = getMapping().getReferenceDescriptor();
    if (getMapping().isVariableOneToOneMapping()) {
      throw QueryException.cannotQueryAcrossAVariableOneToOneMapping(getMapping(), descriptor);
    }
    descriptor = convertToCastDescriptor(descriptor, getSession());
  }
  return descriptor;
}